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The growing popularity of language models has sparked interest in conversational recommender systems (CRS) within both industry and research circles. However, concerns regarding biases in these systems have emerged. While individual…

Information Retrieval · Computer Science 2023-09-07 Armin Moradi , Golnoosh Farnadi

In Conversational Recommendation Systems (CRS), a user provides feedback on recommended items at each turn, leading the CRS towards improved recommendations. Due to the need for a large amount of data, a user simulator is employed for both…

Information Retrieval · Computer Science 2025-07-25 Maria Vlachou

Conversational recommender systems (CRSs) aim to proactively capture user preferences through natural language dialogue and recommend high-quality items. To achieve this, CRS gathers user preferences via a dialog module and builds user…

Artificial Intelligence · Computer Science 2025-11-12 Zhenye Yang , Jinpeng Chen , Huan Li , Xiongnan Jin , Xuanyang Li , Junwei Zhang , Hongbo Gao , Kaimin Wei , Senzhang Wang

Conversational recommender systems (CRSs) are improving rapidly, according to the standard recommendation accuracy metrics. However, it is essential to make sure that these systems are robust in interacting with users including regular and…

Information Retrieval · Computer Science 2023-03-13 Ali Montazeralghaem , James Allan

Click-Through Rate (CTR) prediction on cold users is a challenging task in recommender systems. Recent researches have resorted to meta-learning to tackle the cold-user challenge, which either perform few-shot user representation learning…

Information Retrieval · Computer Science 2022-10-31 Yanyan Shen , Lifan Zhao , Weiyu Cheng , Zibin Zhang , Wenwen Zhou , Kangyi Lin

Conversational recommender systems (CRS) are interactive agents that support their users in recommendation-related goals through multi-turn conversations. Generally, a CRS can be evaluated in various dimensions. Today's CRS mainly rely on…

Human-Computer Interaction · Computer Science 2022-09-08 Ahtsham Manzoor , Dietmar jannach

Conversational Recommender Systems (CRSs) have attracted growing attention for their ability to deliver personalized recommendations through natural language interactions. To more accurately infer user preferences from multi-turn…

Information Retrieval · Computer Science 2026-01-21 Wei Yuan , Shutong Qiao , Tong Chen , Quoc Viet Hung Nguyen , Zi Huang , Hongzhi Yin

Conversational recommender systems (CRS) aim to provide personalized recommendations via interactive dialogues with users. While large language models (LLMs) enhance CRS with their superior understanding of context-aware user preferences,…

Information Retrieval · Computer Science 2025-02-21 Yaochen Zhu , Chao Wan , Harald Steck , Dawen Liang , Yesu Feng , Nathan Kallus , Jundong Li

In recent years, conversational recommender system (CRS) has received much attention in the research community. However, existing studies on CRS vary in scenarios, goals and techniques, lacking unified, standardized implementation or…

Computation and Language · Computer Science 2021-01-05 Kun Zhou , Xiaolei Wang , Yuanhang Zhou , Chenzhan Shang , Yuan Cheng , Wayne Xin Zhao , Yaliang Li , Ji-Rong Wen

E-commerce pre-sales dialogue aims to understand and elicit user needs and preferences for the items they are seeking so as to provide appropriate recommendations. Conversational recommender systems (CRSs) learn user representation and…

Computation and Language · Computer Science 2024-10-21 Yuanxing Liu , Wei-Nan Zhang , Yifan Chen , Yuchi Zhang , Haopeng Bai , Fan Feng , Hengbin Cui , Yongbin Li , Wanxiang Che

Conversational Recommender Systems (CRSs) have garnered attention as a novel approach to delivering personalized recommendations through multi-turn dialogues. This review developed a taxonomy framework to systematically categorize relevant…

Human-Computer Interaction · Computer Science 2025-06-26 Haoran Zhang , Xin Zhao , Jinze Chen , Junpeng Guo

The traditional recommendation systems mainly use offline user data to train offline models, and then recommend items for online users, thus suffering from the unreliable estimation of user preferences based on sparse and noisy historical…

Information Retrieval · Computer Science 2021-10-14 Mengyuan Zhao , Xiaowen Huang , Lixi Zhu , Jitao Sang , Jian Yu

Conversational recommendation systems (CRS) could acquire dynamic user preferences towards desired items through multi-round interactive dialogue. Previous CRS mainly focuses on the single conversation (subsession) that user quits after a…

Information Retrieval · Computer Science 2023-10-23 Yu Ji , Qi Shen , Shixuan Zhu , Hang Yu , Yiming Zhang , Chuan Cui , Zhihua Wei

Conversational recommender systems (CRS) utilize natural language interactions and dialogue history to infer user preferences and provide accurate recommendations. Due to the limited conversation context and background knowledge, existing…

Computation and Language · Computer Science 2024-05-02 Zhangchi Qiu , Ye Tao , Shirui Pan , Alan Wee-Chung Liew

A Conversational Recommender System (CRS) offers increased transparency and control to users by enabling them to engage with the system through a real-time multi-turn dialogue. Recently, Large Language Models (LLMs) have exhibited an…

The ideal conversational recommender system (CRS) acts like a savvy salesperson, adapting its language and suggestions to each user's level of expertise. However, most current systems treat all users as experts, leading to frustrating and…

Information Retrieval · Computer Science 2025-12-16 Ivica Kostric , Ujwal Gadiraju , Krisztian Balog

Understanding user interests is crucial for Click-Through Rate (CTR) prediction tasks. In sequential recommendation, pre-training from user historical behaviors through self-supervised learning can better comprehend user dynamic…

Information Retrieval · Computer Science 2024-07-30 Ruidong Han , Qianzhong Li , He Jiang , Rui Li , Yurou Zhao , Xiang Li , Wei Lin

With the aid of large language models, current conversational recommender system (CRS) has gaining strong abilities to persuade users to accept recommended items. While these CRSs are highly persuasive, they can mislead users by…

Computation and Language · Computer Science 2024-10-08 Peixin Qin , Chen Huang , Yang Deng , Wenqiang Lei , Tat-Seng Chua

Existing sequential recommendation methods rely on large amounts of training data and usually suffer from the data sparsity problem. To tackle this, the pre-training mechanism has been widely adopted, which attempts to leverage large-scale…

Information Retrieval · Computer Science 2021-02-23 Chaojun Xiao , Ruobing Xie , Yuan Yao , Zhiyuan Liu , Maosong Sun , Xu Zhang , Leyu Lin

An ultimate goal of recommender systems (RS) is to improve user engagement. Reinforcement learning (RL) is a promising paradigm for this goal, as it directly optimizes overall performance of sequential recommendation. However, many existing…

Information Retrieval · Computer Science 2023-04-06 Guoxi Zhang , Xing Yao , Xuanji Xiao